1-Benzyl-3-oxopiperazine

4-苄基哌嗪-2-酮

Also known as: 4-Benzylpiperazin-2-one, 4-Benzyl-2-piperazinone, 4-Benzyl-piperazin-2-on, 4-benzyl-piperazin-2-one, 4-benzylpiperazinone, 2-Piperazinone,4-(phenylmethyl)-

1-Benzyl-3-oxopiperazine (CAS 13754-41-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H14N2O and a molecular weight of 190.242 g/mol. It is also known as 4-Benzylpiperazin-2-one, 4-Benzyl-2-piperazinone and 4-Benzyl-piperazin-2-on. Key properties include a melting point of 148-155ºC, a boiling point of 366.6±35.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 175.5±25.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13754-41-1
Jingsj CID
J-1345566-0
Molecular Formula
C11H14N2O
Chinese Name
4-苄基哌嗪-2-酮
Molecular Weight
190.242 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point148-155ºC
Boiling Point366.6±35.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point175.5±25.9 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 1-Benzyl-3-oxopiperazine?

The CAS number of 1-Benzyl-3-oxopiperazine is 13754-41-1.

What are the molecular formula and molecular weight of 1-Benzyl-3-oxopiperazine?

1-Benzyl-3-oxopiperazine has molecular formula C11H14N2O and molecular weight 190.242 g/mol.

Is 1-Benzyl-3-oxopiperazine hazardous?

1-Benzyl-3-oxopiperazine has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-Benzyl-3-oxopiperazine (CAS 13754-41-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1345566-0 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.